Соколенко, А., “Interaction of the Departments and Bodies of the Russian Empire in the Fight Against Espionage in the Priamursk General Governorship before the Russian-Japanese War of 1904 – 1905: Features and Problems”, Представляю к защите, Power and Administration in the East of Russia, 8/3 (2015), https://vlast-dv.owebs.ru/article/view/17725, accessed 7 Nov. 2026.